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Servers and applications

CVE-2021-21358

Cross-Site Scripting in Form Framework

Severity
Medium 5.4
Published
16 Mar 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
10.4.14, 11.1.1
Also known as
GHSA-x79j-wgqv-g8h2
Sources
NVD, Project advisories (GitHub)

Description

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 10.4.14, 11.1.1 it has been discovered that the Form Designer backend module of the Form Framework is vulnerable to cross-site scripting. A valid backend user account with access to the form module is needed to exploit this vulnerability. This is fixed in versions 10.4.14, 11.1.1.

Affected software

SoftwareAffected versions
TYPO3Servers and applications · cpe:a:typo3:typo3
  • From 10.2.0 before 10.4.14
  • From 11.0.0 before 11.1.1
TYPO3Servers and applications · github:typo3/typo3
  • From 11.0.0 before 11.1.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21358
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21358
  • GitHub Advisory Database https://github.com/advisories/GHSA-x79j-wgqv-g8h2
  • github.com https://github.com/TYPO3/typo3/security/advisories/GHSA-x79j-wgqv-g8h2